The Schneider Electric ATV320U22N4C is a 2.2 kW (3 HP) compact Variable Speed Drive designed for advanced machine control. Featuring integrated SIL3 safety functions, Modbus/CANopen connectivity, and 3C3 conformal coating, this Altivar 320 drive provides a reliable and space-saving solution for synchronous and asynchronous motor applications.
The Schneider Electric ATV320U22N4C is a high-performance 2.2 kW (3 HP) Variable Speed Drive (VFD) from the Altivar Machine ATV320 series. Designed for three-phase asynchronous and synchronous motors, this module delivers exceptional torque and speed accuracy even at low frequencies. Its compact form factor is specifically engineered to allow vertical stacking within machine frames or control cabinets, maximizing space efficiency for OEMs and industrial installers. Furthermore, the drive utilizes advanced flux vector control to provide high dynamic response, making it an ideal choice for machinery that requires frequent start/stop cycles and precise positioning.
To ensure operator safety and system compliance, the ATV320U22N4C includes comprehensive embedded safety functions such as Safe Torque Off (STO) SIL3 and Safely Limited Speed (SLS). These integrated features reduce the need for external safety components, thereby lowering overall system complexity and cost. Additionally, the drive offers superior connectivity through built-in Modbus RTU and CANopen protocols. It also supports optional communication modules for EtherNet/IP, Profinet, and EtherCAT, allowing it to integrate seamlessly into diverse automation architectures. Because the drive is part of the Altivar Machine range, it is compatible with EcoStruxure Machine software, which simplifies commissioning and diagnostic tasks.
Schneider Electric has designed the ATV320U22N4C to operate reliably in demanding environments. The module features class 3C3 and 3S2 conformal coating on its printed circuit boards, providing a robust defense against dust, moisture, and chemical corrosion. Consequently, this extends the machine’s availability and reduces the likelihood of hardware failure in harsh conditions. The drive is rated for operation in ambient temperatures up to 50°C without derating (and up to 60°C with derating), ensuring stable performance even in poorly ventilated enclosures. With its high transient overtorque capacity—up to 200%—this VFD is perfectly suited for heavy-duty applications such as conveyors, packaging machines, and industrial mixers.
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